JP2004078409A5

JP2004078409A5 -

Info

Publication number: JP2004078409A5
Application number: JP2002235764A
Authority: JP
Filing date: 2002-08-13
Publication date: 2005-03-10

Description

【００２９】
【課題を解決するための手段】
本発明の再生装置は、再生するデータファイルを指定する指定手段と、情報記録媒体に記録されている第１のテーブルを読み出して記憶する記憶手段と、記憶手段によって記憶された第１のテーブルに基づいて、指定手段によって指定されたデータファイルの記録に使用されている情報記録媒体の単位記録領域アドレスを順方向に記録した第２のテーブルを生成する生成手段と、生成手段によって生成された第２のテーブルを保持する保持手段と、通常再生時、早送り再生時、および早戻し再生時のいずれの時においても、指示される単位記録領域アドレスに従い、情報記録媒体からデータファイルを読み出す読み出し手段と、読み出し手段に対して、保持手段によって保持された第２のテーブルを参照して、読み出す単位記録領域アドレスを指示する指示手段とを含むことを特徴とする。[0029]
[Means for Solving the Problems]
The reproducing apparatus according to the present invention comprises a specifying means for specifying a data file to be reproduced, a storage means for reading out and storing a first table recorded on an information recording medium, and a first table stored by the storage means. And generating means for generating a second table in which the unit recording area address of the information recording medium used for recording the data file specified by the specifying means is recorded in the forward direction; Holding means for holding the table 2 and reading means for reading out the data file from the information recording medium in accordance with the instructed unit recording area address at any of normal reproduction, fast forward reproduction and fast rewind reproduction The unit recording area address to be read out with reference to the second table held by the holding means with respect to the reading means Characterized in that it comprises an indication means for indicating.

【００３３】
本発明の再生方法は、再生するデータファイルを指定する指定ステップと、情報記録媒体に記録されている第１のテーブルを読み出して記憶する記憶ステップと、記憶ステップの処理で記憶された第１のテーブルに基づいて、指定ステップの処理で指定されたデータファイルの記録に使用されている情報記録媒体の単位記録領域アドレスを順方向に記録した第２のテーブルを生成する生成ステップと、生成ステップの処理で生成された第２のテーブルを保持する保持ステップと、通常再生時、早送り再生時、および早戻し再生時のいずれの時においても、指示される単位記録領域アドレスに従い、情報記録媒体からデータファイルを読み出す読み出しステップと、読み出しステップの処理に対して、保持ステップの処理で保持された第２のテーブルを参照して、読み出す単位記録領域アドレスを指示する指示ステップとを含むことを特徴とする。[0033]
The reproduction method of the present invention comprises the steps of designating a data file to be reproduced, a storage step of reading out and storing a first table recorded on an information recording medium, and a first step stored in the processing of the storage step. A generation step of generating a second table in which a unit recording area address of the information recording medium used to record the data file specified in the processing of the specification step is recorded in the forward direction based on the table; At the holding step of holding the second table generated in the process and at the time of normal reproduction, fast forward reproduction, and fast reverse reproduction , data from the information recording medium according to the instructed unit recording area address With respect to the processing of the reading step for reading the file and the processing for the reading step, the second table held in the processing of the holding step is Referring to Table, characterized in that it comprises an indication step of indicating a unit recording area addresses to be read.

【００３４】
本発明の記録媒体のプログラムは、情報記録媒体に記録されている第１のテーブルを読み出して記憶する記憶ステップと、記憶ステップの処理で記憶された第１のテーブルに基づいて、指定されたデータファイルの記録に使用されている情報記録媒体の単位記録領域アドレスを順方向に記録した第２のテーブルを生成する生成ステップと、生成ステップの処理で生成された第２のテーブルを保持する保持ステップと、通常再生時、早送り再生時、および早戻し再生時のいずれの時においても、指示される単位記録領域アドレスに従い、情報記録媒体からデータファイルを読み出す読み出しステップと、読み出しステップの処理に対して、保持ステップの処理で保持された第２のテーブルを参照して、読み出す単位記録領域アドレスを指示する指示ステップとを含むことを特徴とする。[0034]
The program of the recording medium of the present invention is a data storage step of reading out and storing the first table recorded in the information recording medium, and data designated based on the first table stored in the processing of the storage step. A generation step of generating a second table in which the unit recording area address of the information recording medium used for recording the file is recorded in the forward direction, and a holding step of holding the second table generated in the processing of the generation step At the time of normal reproduction, fast forward reproduction, and fast reverse reproduction, at the reading step of reading the data file from the information recording medium according to the indicated unit recording area address and the processing of the reading step , And refers to the second table held in the processing of the holding step to indicate the unit recording area address to be read Characterized in that it comprises a shows steps.

【００３５】
本発明のプログラムは、情報記録媒体に記録されている第１のテーブルを読み出して記憶する記憶ステップと、記憶ステップの処理で記憶された第１のテーブルに基づいて、指定されたデータファイルの記録に使用されている情報記録媒体の単位記録領域アドレスを順方向に記録した第２のテーブルを生成する生成ステップと、生成ステップの処理で生成された第２のテーブルを保持する保持ステップと、通常再生時、早送り再生時、および早戻し再生時のいずれの時においても、指示される単位記録領域アドレスに従い、情報記録媒体からデータファイルを読み出す読み出しステップと、読み出しステップの処理に対して、保持ステップの処理で保持された第２のテーブルを参照して、読み出す単位記録領域アドレスを指示する指示ステップとを含む処理をコンピュータに実行させることを特徴とする。[0035]
A program according to the present invention records a designated data file based on a storage step of reading and storing a first table recorded on an information recording medium, and the first table stored in the processing of the storage step. a generation step of generating a second table the unit recording area addresses of the information recording medium that is used is recorded in the forward direction, a holding step of holding a second table generated in the process of generation step, usually At the time of reproduction, fast forward reproduction, and fast reverse reproduction, at the reading step for reading the data file from the information recording medium according to the indicated unit recording area address and the holding step for the processing of the reading step An instruction step for instructing a unit recording area address to be read out with reference to the second table held in the processing of Characterized in that to execute a process including bets on the computer.

【００３６】
本発明の再生装置および方法、並びにプログラムにおいては、情報記録媒体に記録されている第１のテーブルが読み出されて記憶され、記憶された第１のテーブルに基づいて、指定されたデータファイルの記録に使用されている情報記録媒体の単位記録領域アドレスを順方向に記録した第２のテーブルが生成される。そして、通常再生時、早送り再生時、および早戻し再生時のいずれの時においても、第２のテーブルを参照して、読み出す単位記録領域アドレスが指示され、その指示に従って情報記録媒体からデータファイルが読み出される。[0036]
In the reproducing apparatus and method, and program of the present invention, the first table recorded on the information recording medium is read out and stored, and the designated data file is designated based on the stored first table. A second table is generated in which the unit recording area address of the information recording medium used for recording is recorded in the forward direction. Then, at any of normal reproduction, fast forward reproduction, and fast reverse reproduction, the unit recording area address to be read is designated with reference to the second table, and the data file is transferred from the information recording medium according to the instruction. It is read out.

Claims

In a reproduction apparatus for reproducing data files recorded in a distributed manner on an information recording medium,
Specifying means for specifying a data file to be reproduced;
Storage means for reading out and storing a first table recorded on the information recording medium;
A second recording unit recording a unit recording area address of the information recording medium used to record the data file designated by the designation unit based on the first table stored by the storage unit; Generating means for generating a table of
Holding means for holding the second table generated by the generation means;
Reading means for reading the data file from the information recording medium in accordance with the indicated unit recording area address at any of normal reproduction, fast forward reproduction, and fast reverse reproduction ;
And a command unit for commanding the unit recording area address to be read out with reference to the second table held by the holding unit with respect to the reading unit.

2. The apparatus according to claim 1, wherein the instruction unit reads the unit recording area addresses recorded in the second table one by one in the forward direction and instructs the reading unit during normal reproduction. The playback device as described.

At the time of fast forward reproduction, the instruction means reads the unit recording area addresses recorded in the second table every predetermined number in the forward direction, and instructs the read means. The playback device according to 1.

At the time of fast reverse reproduction, the instruction means reads the unit recording area addresses recorded in the second table every predetermined number in the reverse direction, and instructs the read means. Item 1. The playback device according to Item 1.

In a reproduction method of a reproduction apparatus for reproducing a data file distributed and recorded in an information recording medium,
A specification step of specifying a data file to be reproduced;
A storage step of reading out and storing a first table recorded on the information recording medium;
Based on the first table stored in the processing of the storing step, the unit recording area address of the information recording medium used to record the data file specified in the processing of the specifying step is made forward. Generating, generating a second recorded table;
A holding step of holding the second table generated in the processing of the generation step;
A reading step of reading the data file from the information recording medium according to the indicated unit recording area address at any of normal reproduction, fast forward reproduction, and fast reverse reproduction ;
And a commanding step of commanding the unit recording area address to be read out with reference to the second table held in the processing of the holding step with respect to the processing of the reading step.

A program of a reproducing apparatus for reproducing data files recorded in a distributed manner on an information recording medium, comprising:
A storage step of reading out and storing a first table recorded on the information recording medium;
A second table in which unit recording area addresses of the information recording medium used for recording the designated data file are recorded in a forward direction based on the first table stored in the processing of the storing step Generating steps to generate
A holding step of holding the second table generated in the processing of the generation step;
A reading step of reading the data file from the information recording medium according to the indicated unit recording area address at any of normal reproduction, fast forward reproduction, and fast reverse reproduction ;
A reading step of instructing the unit recording area address to be read out with reference to the second table held in the holding step processing with respect to the reading step processing; Recording medium where possible programs are recorded.

A computer for controlling a reproduction apparatus for reproducing data files recorded in a distributed manner on an information recording medium;
A storage step of reading out and storing a first table recorded on the information recording medium;
A second table in which unit recording area addresses of the information recording medium used for recording the designated data file are recorded in a forward direction based on the first table stored in the processing of the storing step Generating steps to generate
A holding step of holding the second table generated in the processing of the generation step;
A reading step of reading the data file from the information recording medium according to the indicated unit recording area address at any of normal reproduction, fast forward reproduction, and fast reverse reproduction ;
The processing of the reading step is executed by referring to the second table held by the processing of the holding step, and an instructing step of instructing the unit recording area address to be read. The program to